Table 2.

Prevalence (defined as the percentage of subjects reporting the impact item ‘fairly often’ or ‘very often’) of different Oral Health Impact Profile-14 (OHIP-14) items according to severity of periodontitis

Oral impact item	No/mild periodontitis (n = 706)		Moderate periodontitis (n = 505)		Severe periodontitis (n = 189)		P value*
	n	%	n	%	n	%
Functional limitations	56	7.9	107	21.2	66	34.9	<0.001
Trouble pronouncing words	30	4.2	58	11.5	25	13.2	<0.001
Taste worsened	33	4.7	74	14.7	57	30.2	<0.001
Physical pain	187	26.5	254	50.3	114	60.3	<0.001
Painful aching in mouth	150	21.2	231	45.7	107	56.6	<0.001
Uncomfortable to eat	116	16.4	153	30.3	77	40.7	<0.001
Psychological discomfort	166	23.5	177	35.0	81	42.9	<0.001
Felt self-conscious	133	18.8	146	28.9	61	32.3	<0.001
Felt tense	92	13.0	130	25.7	58	30.7	<0.001
Physical disability	127	18.0	176	34.9	79	41.8	<0.001
Diet unsatisfactory	53	7.5	78	15.4	53	28.0	<0.001
Had to interrupt meals	70	9.9	132	26.1	71	37.6	<0.001
Psychological disability	100	14.2	190	37.6	86	45.5	<0.001
Difficult to relax	78	11.0	182	36.0	81	42.9	<0.001
Felt a bit embarrassed	32	4.5	25	5.0	19	10.1	0.012
Social disability	46	6.5	41	8.1	30	15.9	<0.001
Irritable with people	29	4.1	16	3.2	14	7.4	0.203
Difficulty in doing usual jobs	34	4.8	34	6.7	22	11.6	0.001
Handicap	16	2.3	11	2.2	14	7.4	0.003
Felt life less satisfying	12	1.7	9	1.8	12	6.3	0.002
Totally unable to function	6	0.8	5	1.0	4	2.1	0.20

^*P values were determined using the chi-square for trends test.